1. The city of Charleston was founded on March 18, 1670, by English colonists. This settlement was the first permanent English settlement in South Carolina, and it quickly became an important hub for trade and commerce, particularly in the shipping industry.

2. The Battle of Guilford Courthouse, a pivotal battle during the American Revolution, took place on March 18, 1781, in what is now Greensboro, North Carolina. While this battle was not fought on South Carolina soil, many soldiers from South Carolina fought in it, and it had a significant impact on the war as a whole.

3. On March 18, 1837, the South Carolina State Library was established. This library, which is the oldest public building in Columbia, has housed the state's collection of books and historic documents for over 180 years.

4. In 1925, on March 18, Gov. Thomas G. McLeod signed the state's first workman's compensation law into effect. This law provided much-needed protection and benefits for workers who were injured or disabled on the job.

5. On March 18, 1962, musician James Brown recorded his song "Night Train" in Macon, Georgia. Brown, who was born in Barnwell, South Carolina, is widely considered one of the most influential musicians in the history of soul and funk music.